Qur'an 30:51

وَلَئِنْ أَرْسَلْنَا رِيحًا فَرَأَوْهُ مُصْفَرًّا لَّظَلُّوا۟ مِنۢ بَعْدِهِۦ يَكْفُرُونَ

“But if We should send a [bad] wind and they saw [their crops] turned yellow, they would remain thereafter disbelievers.”

Ar-Room 30:51 · Saheeh International